Connected: An Internet Encyclopedia
RFC 1812 - 3. LINK LAYER

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### 3. LINK LAYER

Although [INTRO:1] covers Link Layer standards (IP over various link layers, ARP, etc.), this document anticipates that Link-Layer material will be covered in a separate Link Layer Requirements document. A Link-Layer Requirements document would be applicable to both hosts and routers. Thus, this document will not obsolete the parts of [INTRO:1] that deal with link-layer issues.

3.1 INTRODUCTION
3.2 LINK/INTERNET LAYER INTERFACE
3.3 SPECIFIC ISSUES

3.3.1 Trailer Encapsulation
3.3.2 Address Resolution Protocol - ARP
3.3.3 Ethernet and 802.3 Coexistence
3.3.4 Maximum Transmission Unit - MTU
3.3.5 Point-to-Point Protocol - PPP

3.3.5.1 Introduction
3.3.5.2 Link Control Protocol (LCP) Options
3.3.5.3 IP Control Protocol (IPCP) Options

3.3.6 Interface Testing

Next: 3.1 INTRODUCTION

Connected: An Internet Encyclopedia
RFC 1812 - 3. LINK LAYER